If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.
“He was somebody who made me think, I suppose, about the contemplative life. I've always been a city fellow, but I've often had vague thoughts about 'checking out' and perhaps going into a monastery and just seeing what it was like.”
“When I consider what it was that moved me to join the Communist Party, I have to cast my mind back for more than a quarter of a century to try and ascertain what precisely my motives at that time were.”